The threat of drug-resistant bacteria — also known as “superbugs” — is getting more serious by the day. Humans worldwide are at risk of falling prey to deadly microbes that are immune to antibiotics. So what’s fueling the rise in these terrifying infections? Reckless and rampant antibiotic use in animal agriculture. In a piece titled “The Superbug That Doctors Have Been Dreading Just Reached the U.S.,” The Washington Post …